i have got less percentile in jan attempt and if i prepare for april attempt now will i crack it?

Swetha, JEE Mains might be held tentatively in the month of June. That means you hardly have 45-60 days assuming the exam is conducted in June itself. This is not the time for self doubt or being llow in confidence. If you already have appeared for January session, you know the syllabus and you know to prepare. You just need to intensify the preparation. If you are looking for any crash course, we have Knockout package that can help you.

In Physics, Modern Physics take the top slot with 5 questions. Heat and Thermodynamics, Optics, Current Electricity, Elcetrostatics get 3 questions each. Magentics has 2 questions and the rest get 1 question each.

In Chemistry, Transition Elements and Coordination Chemistry, Periodic Table and Representative elements take 3 questions slot. Thermodynamics and Gaseous state, Atomic structiire, Chemical Bomding, Chemical and Iconic Equilibrium, Solid State and Surface Chemistry and Nuckear Chemistry and Environment get 2 questions slot eacch and the remaining get 1 question each.

In Mathematics, Co-ordinate Geometry gets 5 questions. Limits, Continuity and Differentiability, Integral Calculus get 3 questions slot each. The rest get 2 and 1 questions slot. For complete breakdown, please read our article: https://engineering.careers360.com/articles/jee-main-syllabus-weightage

So have a plan and prepare according to the weightage of topics and do well.